Question 981326
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for problem a, I got -3/-5. Books answer for problem a is 3/5.
Simplify:{{{((-3)/(-5))((-1)/(-1))=3/5}}}
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for problem c, I got -4/-7. Books answer for problem c is 4/7.
Same as above
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for problem d, I got 1. Books answer for problem d is 0.
The numerator of d=f(3)=x-3=3-3=0 so the answer is 0
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Except for simplifying, 2 out of 3.